netdev - Re: [PATCH v3 net-next] sch_tbf: add TBF_BURST/TBF

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Message-ID: <1387503094.19078.406.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 19 Dec 2013 17:31:34 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Yang Yingliang <yangyingliang@...wei.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH v3 net-next] sch_tbf: add TBF_BURST/TBF_PBURST attribute

On Fri, 2013-12-20 at 09:24 +0800, Yang Yingliang wrote:
> From: Yang Yingliang <yangyingliang@...wei.com>
> 
> When we set burst to 1514 with low rate in userspace,
> the kernel get a value of burst that less than 1514,
> which doesn't work.
> 
> Because it may make some loss when transform burst
> to buffer in userspace. This makes burst lose some
> bytes, when the kernel transform the buffer back to
> burst.
> 
> This patch adds two new attributes to support sending
> burst/mtu to kernel directly to avoid the loss.
> 
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Acked-by: Eric Dumazet <edumazet@...gle.com>

Thanks


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